package cn.Nodes;/*
@李子宁
Happy,happy everyday!
冲鸭！
*/

import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String s = in.nextLine();
        String sn = in.nextLine();
        System.out.println("s:"+s);
        System.out.println("sn:"+sn);


    }
}

